Sand 9, Inc., a pioneer in piezoelectric micro-electromechanical systems (MEMS) timing products for wireless and wired applications, today announced that the United States Patent and Trademark Office has granted the company a core patent based on the use of piezoelectric MEMS for a wafer-level, chip-scale packaged (WLCSP) microphone (US20140084395 A1).

Alan Zhou has joined Sand 9’s advisory board. Dr. Zhou, an Internet of Things and mobile communications technology visionary, has over 20 years of start-up and global company executive management experience in the mobile wireless industry, where he held technical and management executive positions at AT&T, Lucent and Qualcomm.